电力调度量子密钥供给及动态调整策略

doi:10.11959/j.issn.1000-0801.2018310

Abstract

Abstract:

In order to ensure the transmission security of electric power dispatching service data,a quantum key supply and dynamic adjustment algorithm was provided.Firstly,the key application mode was determined according to the priority of different services,and the calculation method of the key pool capacity was also provided.Secondly,the quantum key dynamic adjustment algorithm was designed based on the key update frequency and application mode.Finally,the traffic model for the dispatching system was established,and the algorithm’s application performance for different scenarios was simulated within point-to-point/multipoint architectures.The test results show that the algorithm can realize the dynamic key adjustment in the selected adjustment period,and thus improves the security of the scheduling data transmissions.

Key words: electric power dispatching service, quantum key distribution, dynamic adjustment

CLC Number:

TN918

Wei DENG,Zhuozhi YU,Yefeng ZHANG,Yalin CHEN,Yonghong MA. Quantum key supply and dynamic adjustment strategies for power dispatch[J]. Telecommunications Science, 2018, 34(12): 146-154.

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References 13

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站点对	业务名称	业务特性	业务优先级	默认密钥应用方式	观测时间内业务流量/KB	观测时间内密钥消耗量/KB
一级主站—发电厂	遥控业务	突发	高	一次一密	760	760
	遥信业务	周期	高	一次一密	1 443	1 443
	发电侧市场交易业务	周期	中	会话密钥	13 800	1 725
一级主站—变电站	遥调业务	突发	高	一次一密	721	721
	遥测业务	周期	高	一次一密	1 917	1 917
	继电保护管理业务	周期	中	会话密钥	11 880	1 485
一级主站—二级主站	调度中心间能量交换业务	突发	高	一次一密	2 562	2 562

Quantum key supply and dynamic adjustment strategies for power dispatch

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